Device for blacking sights of weapons



D. M. SHOUP Nam. 30, 11%37.

DEVICE FOR BLACKING SIGHTS OF WEAPONS Filed Aug. 5, 1936 INVENTOR xmmr'.

ATTORNEYS Patented Nov. 30, 1937 2,100,982

UNETED STATES PATEhi'i' QFFICE DEVICE FOR BLACKING SIGHTS OF WEAPONS David M. Shoup, Bremerton, Wash.

Application August 5, 1936, Serial No. 94,471

4 Claims. (01. 932) This invention relates to devices for blacking sary to cause the camphor to assume a solid form sights of weapons and has for an object to procoated uniformly throughout with the parafiin vide a process of manufacture and a composition coating on the inner wall of the cylinder. of matter comprising a camphor stick coated The ca-mphor cylinder, with the parafiin coating 5 throughout its entirety with parafiin and partictransferred thereto, is then forced out of the cyl- 5 ularly adapted for use in blacking sights of weapnder A s mm d W pp is new pp ons as. an aid to rifie and pistol marksmanship. t0 the Darwin coating f t e camphor cylind r With the above and other objects in view the to p te the process. invention consists of certain novel details of con- Ifl practice it has een found that a practical struction and combinations of parts hereinafter product of s ype comprises p fi y 10 fully described and claimed, it being understood parts of ca p and p The Paraffin th t various modifications may b t d t coating serves to provide a smooth surface which within the scope of the appended claims without P motes ac epplicatiOh the s m d departing from the spirit or sacrificing any of wrapper in an air tight manner which is essential the advantages of the invention. due to the volatilizing characteristics of camphor. 15

In the accompanying drawing forming part of The camphor is preferably grated and screened th Specification, through a 15 mesh screen before being com- Figure 1 is a longitudinal sectional view of a p d to so d form in the cylinder. cylinder and a rod constituting suitable appara- The pamfilh Coated p Cylinder is highly tus for carrying out the first step of manufacture effective for use in the b cken ng 0f the sights of the product, that is, applying a coating of of Weapons as an aid to rifle and pistol marksparaffin to the inner wall of the cylinder. manship.

Figure 2 is a view similar to Figure l but show- From the above description it is t ought that ing the apparatus in use for forming a solid cylthe construction and operation of the invention inder of grated and screened camphor inside of will be fully understood without further explana- I the paraffin cylinder. ti0i1- Figure 3 is a perspective view of the product W t s clai ed is: equipped t a g'ummed wrappen 1. The step in a method of manufacturing a Figure 4 is a detail longitudinal sectional View device blacking the sights of Weapons consistof the product with parts in elevation. g of pressing a supp y of mphor in finely com- 9 Figure 5 is a cross sectional view of the product mlhilted form into a Paraffin cylinder rigidly supdrawn t an enlarged m ported throughout its entire wall to produce a Referring now to the drawing in which like solid p c body coated with parafiin. characters of reference designate similar parts A device for hlacking the ts of Weapons in the various views, It! designates a metal cylincompr s ng Paraffin ed camphor body, and

der and il designates a solid metal rod adapted a moisture resisting combustible W pper on the 35 I to snugly fit the cylinder. Detail-in c g- In carrying out the process the rod is supplied 3. A device for blacking the sights of weapons with a coating ii of parafiin, preferably by rubcompris n a solid camphor body, a paraifin coatbing the rod with a cake of commercial parafiin. 1% on t e body. and a gummed combustible 40 The rod is then pushed through the cylinder, this wrapper applied to the entire superficial area of operation of coating the rod with parafiin and the paraffin coated body.

pushing the same through the cylinder being re- 4. A device for blacking the sights of weapons peated until a coating of parafiin has adhered to comprising, a paraf in coated camphor body, the the inner wall of the cylinder. proportions of camphor to paraffin being substan- In carrying out the second step of the process tially camphor 99.9 and paraffin .1, and a mois- 45 a supply of powdered camphor i3 is inserted in true repellent combustible wrapper on the parthe cylinder, as best shown in Figure 2, and the afiin coated body. rod is then used to transmit the pressure neces- DAVID M. SHOU'P. 

